CBSE Class 10 Science 2020 · Paper 31/4/3 · Question 1
Draw the structure of a carboxylic acid containing three carbon atoms.
Answer
Propanoic acid, : three carbon atoms in a chain, the third being the carboxyl carbon.
Propanoic acid, (molecular formula ). Its structure is a chain of three carbon atoms: the first carbon carries three hydrogen atoms, the second carbon two hydrogen atoms, and the third carbon is the carboxyl carbon, joined to one oxygen atom by a double bond and to an group by a single bond.
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